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Finding the Fourth Proportional to 343,588.82, 474,136.57 and 190,625.39

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Solution

The fourth proportional to 343,588.82, 474,136.57 and 190,625.39 is: 263,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,588.82 : 474,136.57 = 190,625.39 : x
  2. Step 2: Convert to fraction form
    343,588.82/474,136.57 = 190,625.39/x
  3. Step 3: Cross multiply
    343,588.82x = 474,136.57 × 190,625.39
  4. Step 4: Simplify right side
    343,588.82x = 90,382,465,245.70
  5. Step 5: Solve for x
    x = 90,382,465,245.70/343,588.82
  6. Step 6: Final answer
    x = 263,054.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.